3781311 HX50W Turbocharger Replacement for SINOTRUK WD615

This aftermarket HX50W turbocharger, part number 3781311, serves as a replacement unit for SINOTRUK WD615 engine applications. Verify OEM reference numbers 3781312, 3786515, or HG1500119557 against your existing unit to confirm fitment before ordering.

Key Specifications

• Part Number: 3781311
• Product Type: Turbocharger
• Turbo Model: HX50W
• Application Clue: SINOTRUK WD615
• OEM Reference Numbers: 3781312, 3786515, HG1500119557
• Packing: Not specified
• Gross Weight: Not specified
• Image Availability: Not available

Use these fields to cross-check your existing unit or service documentation. The listed OEM reference numbers serve as verification points for the HX50W configuration associated with the WD615 engine. Confirm the specific casting or part markings on your current turbocharger against these references to ensure the correct replacement application.

Application & Compatibility

Source application path clues for buyer verification. These are source category/application paths, not confirmed fitment claims:

• SINOTRUK > WD615

This HX50W turbocharger is listed for SINOTRUK WD615 engine applications. Use the supplied OEM reference numbers 3781312, 3786515, and HG1500119557 as verification points to confirm the correct replacement application. Cross-check these references against your existing unit’s markings or service documentation. Verify the specific engine code, production year, and turbo configuration before ordering to ensure the part matches your vehicle’s requirements.

Technical Notes

The HX50W turbocharger is a fixed-geometry unit designed for heavy-duty diesel applications. Unlike variable-geometry models, it relies on a fixed turbine nozzle ring to direct exhaust flow. This configuration is common in the SINOTRUK WD615 engine series. Buyers should verify the turbine housing casting and compressor housing markings against the old unit. Confirm the specific nozzle ring diameter and turbine wheel profile match the original part. Technical fitment support is available to review casting numbers and ensure the correct replacement application.

B2B Supply

LeadTurbo supports B2B buyers including repair shops, rebuilders, distributors, and fleet parts buyers with volume pricing for the 3781311 HX50W turbocharger. Worldwide shipping is available for SINOTRUK WD615 applications. Technical fitment support is provided to verify casting numbers, OEM references such as 3781312 or 3786515, and engine specifications before shipment. Contact our team to confirm the correct replacement application for your specific vehicle or engine variant.